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Odor resistant
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Temperature regulating
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Fast drying
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Anti-wrinkle
- Product dimensions - See Measurements
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Fiber micron: Superfine 18.5

METICULOUSLY CRAFTED FOR YOUR COMFORT
- Odor-resistant and antibacterial.
- Less washing with antibacterial clothing that stays dry, clean and fresh.
- Dries really fast, keeping you comfortable.
- Performs better than cotton and synthetics.
- Tag-free band to prevent rubbing.
As featured in

SOFTER THAN COTTON
This wool isn’t like your typical itchy sweater. We only use superfine (18.5 micron) Merino wool, resulting in a luxuriously silky soft, shirt that’s lighter and much softer than the average Merino or cotton shirt. It'll also maintain its form over time and not get ruined after a wash, like most clothes these days.

NATURAL AIRFLOW
With Merino, your body heat can pass through the space between our woven superfine fibers, regulating your body temperature and keeping you cool & comfortable.
ENHANCED DURABILITY
When designing our briefs, we went the extra step of blending each Merino fiber with Nylon and Spandex for extra durability and stretch. You'll also find a tag-free, ultra-soft waistband that prevents irritation--definitely a plus for long treks. This is Merino wool underwear designed to take you places.
EASY CARE
You won’t have to wash these briefs much at all. However, when it comes time for a refresh, simply add it to your load at the normal or cool temperature setting and then lay flat to dry.
ABOUT OUR WOOL
- Sustainably sourced from independent, cruelty-free wool farms.
- Woolmark® certified Merino wool means you can expect the highest standards related to fiber content, performance, color fastness, and dimensional stability.
- WRAP (Worldwide Responsible Accredited Production) certified production.
- Tested to ensure our clothing stands up to the rigors of travel and continual use.


Perfect for Travel
Travel Essentials
What People Are Saying
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Waistband is no bueno!
I have really liked everything I have bought from Unbound EXCEPT for these boxer briefs. Waistband is too tight and rolls on me. I bought pairs from 2 other merino wool companies (same size L) and I don’t have the same problem with them. Plus they were cheaper. Wish I didn’t buy two pairs as these just don’t work for me at all.
Awesome undies!
A little tight in the waistband but totally forgettable as in you hardly know your wearing anything at all!
Fantastic quality, odd fit
These are wonderful. They are true to size but the fit is a bit weird. They are a bit "tall" and want to ride higher than normal underwear. I also wish there was a pocket in the front. Not my favorite cut, but the quality is great and I'll buy more unbound.
Pay attention to waist measurements in the unbound size chart
Love the merino against the skin and cut of these boxer briefs, but the elastic waist is boa-strong after a few hours of wear. My bad. I should have heeded the size chart and ordered L not M. Out of habit I ordered M because that's what typically fits me best.
Good service, poor product
The underwear started to wear out on the bottoms and became transparent until small holes started to form. The waist band also came apart and started fraying. Customer service was good as they gave me a refund. These did not last as long as I wanted it to.